A beautiful Austrian refugee in England--who is also a Nazi agent--marries a scholarly English pacifist. He lives near a secret military base she needs to get information about so she can help in Hitler's planned invasion of England.
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The Hour Before the Dawn is a 1944 American drama war film directed by Frank Tuttle starring Franchot Tone and Veronica Lake. It was based on the 1942 novel by W. Somerset Maugham.